1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package datatype; 25 26 import javax.xml.datatype.DatatypeFactory; 27 import javax.xml.datatype.XMLGregorianCalendar; 28 import org.testng.annotations.Test; 29 import org.testng.Assert; 30 import org.testng.annotations.DataProvider; 31 32 /* 33 * @test 34 * @bug 8246816 35 * @run testng datatype.HashCodeTest 36 * @summary Test hashCode generation. 37 */ 38 public class HashCodeTest { 39 /* 40 DataProvider: for testHashCode 41 Data: datetime1, datetime1, flag indicating if their hashCodes are equal 42 */ 43 @DataProvider(name = "testHashCode") 44 public Object[][] getData() { 45 46 return new Object[][]{ 47 // the reported case: identical hash codes before the patch 48 {"2020-04-24T12:53:00+02:00", "2020-06-04T06:58:17.727Z", false}, 49 {"1002000-01-15T12:00:00-05:00", "2002000-01-15T13:00:00-04:00", false}, 50 {"2000-01-15T12:00:59.99999-05:00", "2000-01-15T13:00:59-04:00", false}, 51 {"2000-01-15T12:00:00-05:00", "2000-01-15T13:00:00-04:00", true}, 52 {"2000-01-15T12:00:59.99999-05:00", "2000-01-15T13:00:59.99999-04:00", true}, 53 {"999999999-01-15T12:00:00-05:00", "999999999-01-15T13:00:00-04:00", true}, 54 {"999999999-01-15T12:00:59.99999-05:00", "999999999-01-15T13:00:59.99999-04:00", true}, 55 }; 56 } 57 58 @Test(dataProvider = "testHashCode") 59 public final void testHashCode(String dt1, String dt2, boolean equal) throws Exception { 60 DatatypeFactory dataTypeFactory = DatatypeFactory.newInstance(); 61 XMLGregorianCalendar cal1 = dataTypeFactory.newXMLGregorianCalendar(dt1); 62 XMLGregorianCalendar cal2 = dataTypeFactory.newXMLGregorianCalendar(dt2); 63 64 // identical hash codes before the patch 65 int hashCode1 = cal1.hashCode(); 66 int hashCode2 = cal2.hashCode(); 67 68 if (equal) { 69 Assert.assertTrue(cal1.equals(cal2)); 70 Assert.assertEquals(hashCode1, hashCode2); 71 } else { 72 Assert.assertFalse(cal1.equals(cal2)); 73 Assert.assertNotEquals(hashCode1, hashCode2); 74 } 75 } 76 }